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  1. #11
    Veteran Member
    Join Date
    Jun 2006
    Posts
    2,130
    Location
    West Cascades Washington State
    Tractor
    PT 422

    Default Re: up a tree with the pt

    Sounds almost like it has or had air in it.

  2. #12
    Veteran Member
    Join Date
    Mar 2007
    Posts
    1,171
    Location
    Bay Area, CA
    Tractor
    Power Trac PT1445

    Default Re: up a tree with the pt

    I agree with Craigy2; it does sound like you have air in the drive/drive control circuit. The pop could be burping air in.

    Getting stronger with use certainly sounds like flushing air from the motor circuit.

    I can think of two main ways to get air in
    1. Could you have gotten air in during a filter change?
    2. Could there be a loose connection anywhere on the vaccum side of the intake to the tram pump?


    All the best,

    Peter

    Quote Originally Posted by cqaigy2 View Post
    Sounds almost like it has or had air in it.

  3. #13
    Silver Member
    Join Date
    Feb 2009
    Posts
    224
    Location
    south western michigan
    Tractor
    pt 425, JI Case, Gravely Comm.10A

    Default Re: up a tree with the pt

    finally went and retrieved my pt this past weekend and disassembled the forward/reverse control valve , for lack of better description the floating shuttle/plug was stuck in the bore and not fully traveling the length of the bore as designed to enable 100% forward or 100% reverse which is why it was stuck in reverse or would creep, at least it was a cheap fix , just for reference a bx24 bota will not retrieve a pt425 , but a small dozer will though

  4. #14
    Platinum Member
    Join Date
    Aug 2003
    Posts
    974

    Default Re: up a tree with the pt

    Quote Originally Posted by washita View Post
    finally went and retrieved my pt this past weekend and disassembled the forward/reverse control valve , for lack of better description the floating shuttle/plug was stuck in the bore and not fully traveling the length of the bore as designed to enable 100% forward or 100% reverse which is why it was stuck in reverse or would creep, at least it was a cheap fix , just for reference a bx24 bota will not retrieve a pt425 , but a small dozer will though
    That is what was the matter with mine, I tried to explain it as best as I could in post # 6 but I'm not good at explaining things I guess. I put a new plunger in mine to fix it, didn't cost much. If you just sprayed wd 40 to get it to work right it may stick again soon but at least you know what is the matter with it and can get it going without much down time. Hate that it took so long to get it going though.






    w

  5. #15
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    24,110
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: up a tree with the pt

    Man, I'd have PT withdrawl after a year. Glad you got it repaired!
    MossRoad

    Click On My Little Tractor
    To See Pictures And Videos
    Of It In Action!!!


  6. #16
    Silver Member
    Join Date
    Feb 2009
    Posts
    224
    Location
    south western michigan
    Tractor
    pt 425, JI Case, Gravely Comm.10A

    Default Re: up a tree with the pt

    I put a new plunger in mine to fix it, didn't cost much
    do you still have part numbers? for the plungers and supplier? the valve is ''hanging up'' again after about an hour of use so I feel it is time to just replace parts
    Thanks in advance

  7. #17
    Platinum Member
    Join Date
    Aug 2003
    Posts
    974

    Default Re: up a tree with the pt

    Quote Originally Posted by washita View Post
    do you still have part numbers? for the plungers and supplier? the valve is ''hanging up'' again after about an hour of use so I feel it is time to just replace parts
    Thanks in advance
    I don't remember much about it, it has been so long ago. Call Terry at power trac and describe what is going on and he can help you probably. Sorry I couldn't remember more about it.

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